cc/layers/layer_utils.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_LAYERS_LAYER_UTILS_H_
   6 #define CC_LAYERS_LAYER_UTILS_H_
   7
   8 #include "cc/base/cc_export.h"
   9
  10 namespace gfx {
  11   class BoxF;
  12 }  // namespace gfx
  13
  14 namespace cc {
  15   class LayerImpl;
  16
  17   class CC_EXPORT LayerUtils {
  18    public:
  19     // Computes a box in screen space that should entirely contain the layer's
  20     // bounds through the entirety of the layer's current animation. Returns
  21     // true and sets |out| to the inflation if there are animations that can
  22     // inflate bounds in the path to the root layer and that it was able to
  23     // inflate correctly. Returns false otherwise.
  24     static bool GetAnimationBounds(const LayerImpl& layer, gfx::BoxF* out);
  25   };
  26
  27 }  // namespace cc
  28
  29 #endif  // CC_LAYERS_LAYER_UTILS_H_